64688148 has 36 divisors (see below), whose sum is σ = 186877600. Its totient is φ = 18482256.

The previous prime is 64688101. The next prime is 64688159. The reversal of 64688148 is 84188646.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128098 + ... + 128601.

Almost surely, 2^64688148 is an apocalyptic number.

It is an amenable number.

64688148 is an abundant number, since it is smaller than the sum of its proper divisors (122189452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64688148 is a wasteful number, since it uses less digits than its factorization.

64688148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256716 (or 256711 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 64688148 is about 8042.8942551795. The cubic root of 64688148 is about 401.4285338211.

The spelling of 64688148 in words is "sixty-four million, six hundred eighty-eight thousand, one hundred forty-eight".